Australian Boulder Opal 8mm Round - 15-16 Inch Faceted AA Grade Banded Ethiopian Opal typically occurs in

Ethiopian Opal typically occurs in brown

It is mined under extremely harsh conditions and the high-grade specimens are more rare than diamonds

It may also contain rainbow to colored or sparkling inclusions

Topaz is a rare silicate mineral and obtains much of its popularity from its beautiful colors and its status as a birthstone

Australian Boulder Opal 8mm Round - 15-16 Inch Faceted AA Grade Banded Ethiopian Opal typically occurs inBoulder Opal is a golden brown to dark brown stone, displaying these colors in patterns of parallel bands. It is considered a precious Opal, and forms within a host rock such as ironstone or sandstone. Boulder Opal is believed to help with spiritual development, as well as with reconciling conscious and unconscious thought.